/Engine/Source/Editor/StaticMeshEditor/Public/StaticMeshEditorSubsystem.h
Copy the reduction options with the specified LOD reduction settings.
void GetLodReductionSettings ( const [UStaticMesh](API\Runtime\Engine\Engine\UStaticMesh) * StaticMesh, const int32 LodIndex, [FMeshReductionSettings](API\Runtime\Engine\Engine\FMeshReductionSettings) & OutReductionOptions )